20346435

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 37908000

約数和(自身を除く): 17561565

約数列:

[1, 3, 5, 9, 15, 19, 45, 53, 57, 95, 159, 171, 265, 285, 449, 477, 795, 855, 1007, 1347, 2245, 2385, 3021, 4041, 5035, 6735, 8531, 9063, 15105, 20205, 23797, 25593, 42655, 45315, 71391, 76779, 118985, 127965, 214173, 356955, 383895, 452143, 1070865, 1356429, 2260715, 4069287, 6782145, 20346435]

約数ペア:

[(1, 20346435), (3, 6782145), (5, 4069287), (9, 2260715), (15, 1356429), (19, 1070865), (45, 452143), (53, 383895), (57, 356955), (95, 214173), (159, 127965), (171, 118985), (265, 76779), (285, 71391), (449, 45315), (477, 42655), (795, 25593), (855, 23797), (1007, 20205), (1347, 15105), (2245, 9063), (2385, 8531), (3021, 6735), (4041, 5035)]